SPECIFICATIONMODEL

DC VOLTAGE

RATED CURRENT

CURRENT RANGE

RATED POWER

OUTPUT

LINE REGULATION

LOAD REGULATION

SETUP, RISE TIME

VOLTAGE RANGE

EFFICIENCY (Typ.)INPUT

INRUSH CURRENT (Typ.)

SAFETY STANDARDS

WORKING TEMP.

WORKING HUMIDITY

STORAGE TEMP.

TEMP. COEFFICIENT

VIBRATION

MTBF

DIMENSIONOTHERS

NOTE

PACKING

OVERLOAD

OVER VOLTAGE

DC CURRENT (Typ.)

105 ~ 135% rated output power

Protection type : Constant current limiting, recovers automatically after fault condition is removed

Compliance to BS EN/EN55032 (CISPR32) Conduction Emission: Class A, Radiation Emission: Class B, EAC TP TC 020

Compliance to BS EN/EN61000-4-2,3,4,5,6,8, light industry level, EAC TP TC 020

5 ~ 95% RH non-condensing

-40 ~ +85℃

±0.03%/℃ (0 ~ 55℃)

10 ~ 500Hz, 5G 10min./1cycle, 60min. each along X, Y, Z axes ; Mounting : compliance to IEC61373

216*96.5*40mm (L*W*H)

1.19Kg ; 12pcs/15.3Kg/0.97CUFT

File Name:RSD-300-SPEC 2022-02-28

300W Railway Single Output DC-DC Converter

■

RSD-300 ser ies

RIPPLE & NOISE (max.) Note.2

VOLTAGE TOLERANCE Note.3

WITHSTAND VOLTAGE

ISOLATION RESISTANCE

I/P-O/P:4KVDC I/P-FG:2.5KVDC O/P-FG:2.5KVDC

I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RHSAFETY &

EMC(Note 5)

ENVIRONMENT

PROTECTION

℃

( (as available on http://www.meanwell.com) ℃ ℃

※：https://www.meanwell.com/serviceDisclaimer.aspx

12V5V

RSD-300B-12RSD-300B-5 RSD-300B-24 RSD-300B-48 RSD-300C-12RSD-300C-5 RSD-300C-24 RSD-300C-48

24V 48V 12V5V 24V 48V

42A 25A42A 12.5A 6.3A

0 ~ 42A 0 ~ 25A0 ~ 42A 0 ~ 12.5A 0 ~ 6.3A

210W 300W210W 300W 302.4W

120mVp-p100mVp-p 150mVp-p 180mVp-p 120mVp-p100mVp-p 150mVp-p 180mVp-p

±2.0%±2.0% ±2.0% ±2.0% ±2.0%±2.0% ±2.0% ±2.0%

±0.3%±0.5% ±0.2% ±0.5% ±0.3%±0.5% ±0.2% ±0.5%

±1.0%±1.0% ±1.0% ±1.0% ±1.0%±1.0% ±1.0% ±1.0%

800ms, 50ms at full load

16.8 ~ 31.2VDC

14.4 ~ 33.6VDC

89.5%89% 90% 91.5% 91%90.5%

33.6 ~ 62.4VDC

28.8 ~ 67.2VDC

91.5% 92%

14.6A/24V9.7A/24V 14.6A/24V 14.6A/24V

45A/48VDC

7.2A/48V4.8A/48V 7.2A/48V 7.2A/48V

45A/24VDC

‧

‧

‧

‧

‧

‧

‧

‧

‧℃

‧

‧

‧

13.8 ~ 16.2V5.75 ~ 7V 13.8 ~ 16.2V5.75 ~ 7V27.6 ~ 32.4V 55.2 ~ 64.8V 27.6 ~ 32.4V 55.2 ~ 64.8V

EMC IMMUNITY

EMC EMISSION

HOLD UP TIME (Typ.)

CONTINUOUS

1 SEC.

OVER TEMPERATURE Shut down o/p voltage, recovers automatically after temperature goes down

Protection type : Shut down o/p voltage, re-power on to recover

22.5A 11.3A 5.7A

0 ~ 22.5A 0 ~ 11.3A 0 ~ 5.7A

270W 271.2W 273.6W

RAILWAY STANDARD BS EN/EN50155 / IEC60571 including IEC61373 for shock & vibration,BS EN/EN50121-3-2 for EMC;BS EN/EN45545-2 for fire protection

-40 ~ +55℃ (no derating) ; +70℃ @ 60% load by free air convection ; +70℃ no derating with external base plate, TX class compliance

Please refer to page 5,6 Hold up Time( Load de-rating curve )

EN50155:2007-B/C- type comply with S1 level @ full load, comply with S2 level @ 70% load

EN50155:2017-Comply with S1 levelINTERRUPTION OF VOLTAGE SUPPLY

IEC 62368-1, UL 62368-1, approved, Design refer to BS EN/EN62368-1AS/NZS 62368-1, EAC TP TC 004

UL62368-1 TPTC004 IEC62368-1AS/NZS62368-1

OPERATING ALTITUDE 5000 meters

User’s Manual

■

1850.1K hrs min. Telcordia SR-332 (Bellcore) ; 130.8K hrs min. MIL-HDBK-217F (25℃)

SPECIFICATIONMODEL

DC VOLTAGE

RATED CURRENT

CURRENT RANGE

RATED POWER

OUTPUT

LINE REGULATION

LOAD REGULATION

SETUP, RISE TIME

VOLTAGE RANGE

EFFICIENCY (Typ.)INPUT

INRUSH CURRENT (Typ.)

SAFETY STANDARDS

WORKING TEMP.

WORKING HUMIDITY

STORAGE TEMP.

TEMP. COEFFICIENT

VIBRATION

MTBF

DIMENSIONOTHERS

NOTE

PACKING

OVERLOAD

OVER VOLTAGE

DC CURRENT (Typ.)

105 ~ 135% rated output power

Protection type : Constant current limiting, recovers automatically after fault condition is removed

Compliance to BS EN/EN55032 (CISPR32) Conduction Emission: Class A, Radiation Emission: Class B, EAC TP TC 020

Compliance to BS EN/EN61000-4-2,3,4,5,6,8, light industry level, EAC TP TC 020

5 ~ 95% RH non-condensing

-40 ~ +85℃

±0.03%/℃ (0 ~ 55℃)

10 ~ 500Hz, 5G 10min./1cycle, 60min. each along X, Y, Z axes ; Mounting : compliance to IEC61373

216*96.5*40mm (L*W*H)

1.19Kg ; 12pcs/15.3Kg/0.97CUFT

File Name:RSD-300-SPEC 2022-02-28

300W Railway Single Output DC-DC Converter

■

RSD-300 ser ies

RIPPLE & NOISE (max.) Note.2

VOLTAGE TOLERANCE Note.3

WITHSTAND VOLTAGE

ISOLATION RESISTANCE

I/P-O/P:4KVDC I/P-FG:2.5KVDC O/P-FG:2.5KVDC

I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RHSAFETY &

EMC(Note 5)

ENVIRONMENT

PROTECTION

℃

( (as available on http://www.meanwell.com) ℃ ℃

※：https://www.meanwell.com/serviceDisclaimer.aspx

12V5V

RSD-300D-12RSD-300D-5 RSD-300D-24 RSD-300D-48 RSD-300E-12RSD-300E-5 RSD-300E-24 RSD-300E-48

24V 48V 12V5V 24V 48V

42A 25A25A 42A 12.5A12.5A 6.3A6.3A

0 ~ 42A 0 ~ 25A0 ~ 25A 0 ~ 42A 0 ~ 12.5A0 ~ 12.5A 0 ~ 6.3A0 ~ 6.3A

210W 300W300W 210W 300W300W 302.4W302.4W

120mVp-p100mVp-p 150mVp-p 180mVp-p 120mVp-p100mVp-p 150mVp-p 180mVp-p

±2.0%±2.0% ±2.0% ±2.0% ±2.0%±2.0% ±2.0% ±2.0%

±0.2%±0.5% ±0.2% ±0.5% ±0.3%±0.5% ±0.2% ±0.5%

±1.0%±1.0% ±1.0% ±1.0% ±1.0%±1.0% ±1.0% ±1.0%

800ms, 50ms at full load

67.2 ~ 143VDC

57.6 ~ 154VDC

91.5%90% 91.5% 91.5% 90%88%

25.2 ~ 46.8VDC

21.6 ~ 50.4VDC

91% 91%

3.1A/110V2.1A/110V 3.1A/110V 3.1A/110V

45A/110VDC

‧

‧

‧

‧

‧

‧

‧

‧

‧℃

‧

‧

‧

13.8 ~ 16.2V5.75 ~ 7V 13.8 ~ 16.2V5.75 ~ 7V27.6 ~ 32.4V 55.2 ~ 64.8V 27.6 ~ 32.4V 55.2 ~ 64.8V

EMC IMMUNITY

EMC EMISSION

HOLD UP TIME (Typ.)

CONTINUOUS

1 SEC.

OVER TEMPERATURE Shut down o/p voltage, recovers automatically after temperature goes down

Protection type : Shut down o/p voltage, re-power on to recover

RAILWAY STANDARD BS EN/EN50155 / IEC60571 including IEC61373 for shock & vibration, BS EN/EN50121-3-2 for EMC ; BS EN/EN45545-2 for fire protection

45A/36VDC

9.2A/36V6.5A/36V 9.2A/36V 9.2A/36V

-40 ~ +55℃ (no derating) ; +70℃ @ 60% load by free air convection ; +70℃ no derating with external base plate, TX class compliance

Please refer to page 5,6 Hold up Time( Load de-rating curve )

EN50155:2007-D-type and E-5 comply with S2 level @ full load; other E- type comply with S1 level @ full load, comply with S2 level @ 70% load

EN50155:2017-Comply with S1 levelINTERRUPTION OF VOLTAGE SUPPLY

IEC 62368-1, UL 62368-1, approved, Design refer to BS EN/EN62368-1AS/NZS 62368-1, EAC TP TC 004

OPERATING ALTITUDE 5000 meters

UL62368-1 TPTC004 IEC62368-1AS/NZS62368-1

User’s Manual

■

1850.1K hrs min. Telcordia SR-332 (Bellcore) ; 130.8K hrs min. MIL-HDBK-217F (25℃)

SPECIFICATIONMODEL

DC VOLTAGE

RATED CURRENT

CURRENT RANGE

RATED POWER

OUTPUT

LINE REGULATION

LOAD REGULATION

SETUP, RISE TIME

VOLTAGE RANGE

EFFICIENCY (Typ.)INPUT

INRUSH CURRENT (Typ.)

SAFETY STANDARDS

WORKING TEMP.

WORKING HUMIDITY

STORAGE TEMP.

TEMP. COEFFICIENT

VIBRATION

MTBF

DIMENSIONOTHERS

NOTE

PACKING

OVERLOAD

OVER VOLTAGE

DC CURRENT (Typ.)

105 ~ 135% rated output power

Protection type : Constant current limiting, recovers automatically after fault condition is removed

Compliance to BS EN/EN55032 (CISPR32) Conduction Emission: Class A, Radiation Emission: Class B, EAC TP TC 020

Compliance to BS EN/EN61000-4-2,3,4,5,6,8, light industry level, EAC TP TC 020

5 ~ 95% RH non-condensing

-40 ~ +85℃

±0.03%/℃ (0 ~ 55℃)

10 ~ 500Hz, 5G 10min./1cycle, 60min. each along X, Y, Z axes ; Mounting : compliance to IEC61373

216*96.5*40mm (L*W*H)

1.19Kg ; 12pcs/15.3Kg/0.97CUFT

File Name:RSD-300-SPEC 2022-02-28

300W Railway Single Output DC-DC Converter

■

RSD-300 ser ies

RIPPLE & NOISE (max.) Note.2

VOLTAGE TOLERANCE Note.3

WITHSTAND VOLTAGE

ISOLATION RESISTANCE

I/P-O/P:4KVDC I/P-FG:2.5KVDC O/P-FG:2.5KVDC

I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RHSAFETY &

EMC(Note 5)

ENVIRONMENT

PROTECTION

℃

( (as available on http://www.meanwell.com) ℃ ℃

※：https://www.meanwell.com/serviceDisclaimer.aspx

12V5V

RSD-300F-12RSD-300F-5 RSD-300F-24 RSD-300F-48

24V 48V

25A42A 12.5A 6.3A

0 ~ 25A0 ~ 42A 0 ~ 12.5A 0 ~ 6.3A

300W210W 300W 302.4W

120mVp-p100mVp-p 150mVp-p 180mVp-p

±2.0%±2.0% ±2.0% ±2.0%

±0.3%±0.5% ±0.2% ±0.5%

±1.0%±1.0% ±1.0% ±1.0%

800ms, 50ms at full load

50.4 ~ 93.6VDC

43.2 ~ 100.8VDC

91%

4.6A/72V

89%

3.25A/72V

45A/72VDC

91%

4.6A/72V

91.5%

4.6A/72V

‧

‧

‧

‧

‧

‧

‧

•

•℃

‧

‧

‧

13.8 ~ 16.2V5.75 ~ 7V 27.6 ~ 32.4V 55.2 ~ 64.8V

EMC IMMUNITY

EMC EMISSION

HOLD UP TIME (Typ.)

CONTINUOUS

1 SEC.

OVER TEMPERATURE Shut down o/p voltage, recovers automatically after temperature goes down

Protection type : Shut down o/p voltage, re-power on to recover

RAILWAY STANDARD BS EN/EN50155 / IEC60571 including IEC61373 for shock & vibration, BS EN/EN50121-3-2 for EMC ; BS EN/EN45545-2 for fire protection

-40 ~ +55℃ (no derating) ; +70℃ @ 60% load by free air convection ; +70℃ no derating with external base plate, TX class compliance

Please refer to page 5,6 Hold up Time( Load de-rating curve )

EN50155:2007-F-type comply with S2 level @ full load

EN50155:2017-Comply with S1 levelINTERRUPTION OF VOLTAGE SUPPLY

IEC 62368-1, UL 62368-1, approved, Design refer to BS EN/EN62368-1AS/NZS 62368-1, EAC TP TC 004

OPERATING ALTITUDE 5000 meters

UL62368-1 TPTC004 IEC62368-1AS/NZS62368-1

User’s Manual

■

1850.1K hrs min. Telcordia SR-332 (Bellcore) ; 130.8K hrs min. MIL-HDBK-217F (25℃)

300W Railway Single Output DC-DC Converter RSD-300 ser ies

File Name:RSD-300-SPEC 2022-02-28

Input Terminal Pin No. Assignment : Output Terminal Pin No. Assignment :(For 12V, 24V, 48V) (For 5V)Pin No.

Pin No. Pin No.11 1,222 3,43

AssignmentAssignment AssignmentDC INPUT V+

DC OUTPUT -V DC OUTPUT -VDC INPUT V-DC OUTPUT +V DC OUTPUT +V

81

7.7

5

96

.5

2-R2.1

13

13

28

40

10

10

O/P

I/P

1

2

3

4-R2.1

4208

216

1

2

LED

4208

15max. 15max.

Input Fuse

There are one or two fuses connected in series to the positive input line, which are used to protect against abnormal surge. Fuse specifications of each model are shown

as below.

Type

B

C

E

D

F

Fuse Type

Fast

Time-Lag

Time-Lag

Time-Lag

Time-Lag

Reference and Rating

Littelfuse 257, 30A, 32V

Conquer UDA-A, 16A, 250V

Conquer UDA-A, 20A, 250V

Conquer UDA-A, 8A, 250V

Conquer UDA-A, 10A, 250V

Mechanical Specification Case No.205 Unit:mm

fosc : 130KHzBlock Diagram

CIRCUITDETECTION

O.V.P.

EMIFILTER

POWERSWITCHING

FILTER&

RECTIFIERS +V

-VI/P

FG

CONTROLPWM

FG

O.L.P.

O.T.P.

1

2

3

4

‧ : Max. Case Temperaturetc

130

tc

8

Input Reverse Polarity Protection

Input Range and Transient Ability

Input Under-Voltage Protection

Inrush Current

There is a MOSFET connected in series to the negative input line. If the input polarity is connected reversely, the MOSFET opens and there will be no output to protect

the unit.

The series has a wide range input capability. Within ±30% of rated input voltage, it can be executed at full-load operation and operate properly; with ±40% of rated input

voltage, it can withstand that for 1 second.

If input voltage drops below Vimin, the internal control IC shuts down and there is no output voltage. It recovers automatically when input voltage reaches above Vimin,

please refer to the cruve below.

Inrush current is suppressed by a resistor during the initial start-up, and then the resistor is bypassed by a MOSFET to reduce power consumption after accomplishing

the start-up.

TIME

TIME

TIME

TIME

TIME

TIME

LO

AD

LO

AD

L

OA

D

LO

AD

L

OA

D

300W Railway Single Output DC-DC Converter RSD-300 ser ies

File Name:RSD-300-SPEC 2022-02-28

Hold-up TimeD and F and E-5 types are in compliance with S2 level, while B and C and E types are in compliance with S1 level at full load output condition.

To fulfil the requirements of S2 level, B and C and E types require de-rating their output load to 70%, please refer to the curve diagrams below.

RSD-300B-24

RSD-300E-24

RSD-300B-48

RSD-300B-12

RSD-300C-24

RSD-300F-24

RSD-300C-5

RSD-300B-24

RSD-300D-24

RSD-300C-12

100%

LO

AD

RSD-300B-5

ČĆBEĈÐBĎĆ

D

ĈĆ

ĈD

ČĆ

ČD

ĊĆ

17 19 21 23 25 27 29

İ ÞǾŌ Î Ō

İ ÞǾŌ Î ŅŅ

Vo

Vo

Vo

Vo

Vin

ĈĊBD ĈČĆ

D

ĈĆ

ĈD

ČĆ

ČD

ĊĆ

11 12 13 14 15 16 17

İ ÞǾŌ Î Ō

İ ÞǾŌ Î ŅŅ

ČDBÐČÇBČ

ĊĆ

Ć

D

ĈĆ

ĈD

ČĆ

ČD

ĊĆ

23 25 27 29 31 33 35

İ ÞǾŌ Î Ō

İ ÞǾŌ Î ŅŅ

DĎBČDĊBDĆ

D

ĈĆ

ĈD

ČĆ

ČD

ĊĆ

50 55 60 65 70

İ ÞǾŌ Î Ō

İ ÞǾŌ Î ŅŅ

ÇĈBÐĊEBĈĆ

D

ĈĆ

ĈD

ČĆ

ČD

ĊĆ

37 39 41 43 45 47 49

İ ÞǾŌ Î Ō

İ ÞǾŌ Î ŅŅ

Vin

Vin VinVin

Vo

ĆÃ

ĈĆÃ

ČĆÃ

ĊĆÃ

ÇĆÃ

DĆÃ

ĎĆÃ

ĐĆÃ

ÐĆÃ

EĆÃ

ĈĆĆÃ

0ms 10ms 20ms 30ms 40ms 50ms 60ms 70ms 80ms

ĆÃ

ĈĆÃ

ČĆÃ

ĊĆÃ

ÇĆÃ

DĆÃ

ĎĆÃ

ĐĆÃ

ÐĆÃ

EĆÃ

ĈĆĆÃ

0ms 10ms 20ms 30ms 40ms 50ms 60ms 70ms 80ms

ĆÃ

ĈĆÃ

ČĆÃ

ĊĆÃ

ÇĆÃ

DĆÃ

ĎĆÃ

ĐĆÃ

ÐĆÃ

EĆÃ

ĈĆĆÃ

0ms 10ms 20ms 30ms 40ms 50ms 60ms 70ms 80ms 90ms

ĆÃ

ĈĆÃ

ČĆÃ

ĊĆÃ

ÇĆÃ

DĆÃ

ĎĆÃ

ĐĆÃ

ÐĆÃ

EĆÃ

ĈĆĆÃ

0ms 10ms 20ms 30ms 40ms 50ms 60ms 70ms 80ms

ĆÃ

ĈĆÃ

ČĆÃ

ĊĆÃ

ÇĆÃ

DĆÃ

ĎĆÃ

ĐĆÃ

ÐĆÃ

EĆÃ

ĈĆĆÃ

0ms 10ms 20ms 30ms 40ms 50ms 60ms 70ms 80ms

ĆÃ

ĈĆÃ

ČĆÃ

ĊĆÃ

ÇĆÃ

DĆÃ

ĎĆÃ

ĐĆÃ

ÐĆÃ

EĆÃ

ĈĆĆÃ

ĆÖ Œ ĈĆÖ Œ ČĆÖ Œ ĊĆÖ Œ ÇĆÖ Œ DĆÖ Œ ĎĆÖ Œ ĐĆÖ Œ ÐĆÖ Œ EĆÖ Œ

EN50155: 2007 version -

300W Railway Single Output DC-DC Converter RSD-300 ser ies

File Name:RSD-300-SPEC 2022-02-28

ĐĆÃ

ĐDÃ

ÐĆÃ

ÐDÃ

EĆÃ

EDÃ

ĈĆÃ ČĆÃ ĊĆÃ ÇĆÃ DĆÃ ĎĆÃ ĐĆÃ ÐĆÃ EĆÃ ĈĆĆÃ

ĊĈBČIJŇŃ

ČÇIJŇŃ

ĈĎBÐIJŇŃ

Output Voltage Adjustment

This function is optional, which the standard product does not have it. If you do need the function, please contact MW for details.

TIME

TIME

TIME

TIME

TIME

LO

AD

LO

AD

L

OA

D

LO

AD

RSD-300C-24

RSD-300E-24

RSD-300C-48

RSD-300E-48

RSD-300E-12

ĆÃ

ĈĆÃ

ČĆÃ

ĊĆÃ

ÇĆÃ

DĆÃ

ĎĆÃ

ĐĆÃ

ÐĆÃ

EĆÃ

ĈĆĆÃ

0ms 10ms 20ms 30ms 40ms 50ms 60ms 70ms 80ms

LO

AD

ĆÃ

ĈĆÃ

ČĆÃ

ĊĆÃ

ÇĆÃ

DĆÃ

ĎĆÃ

ĐĆÃ

ÐĆÃ

EĆÃ

ĈĆĆÃ

0ms 10ms 20ms 30ms 40ms 50ms 60ms 70ms 80ms

ĆÃ

ĈĆÃ

ČĆÃ

ĊĆÃ

ÇĆÃ

DĆÃ

ĎĆÃ

ĐĆÃ

ÐĆÃ

EĆÃ

ĈĆĆÃ

0ms 10ms 20ms 30ms 40ms 50ms 60ms 70ms 80ms 90ms

ĆÃ

ĈĆÃ

ČĆÃ

ĊĆÃ

ÇĆÃ

DĆÃ

ĎĆÃ

ĐĆÃ

ÐĆÃ

EĆÃ

ĈĆĆÃ

0ms 10ms 20ms 30ms 40ms 50ms 60ms 70ms 80ms 90ms

ĆÃ

ĈĆÃ

ČĆÃ

ĊĆÃ

ÇĆÃ

DĆÃ

ĎĆÃ

ĐĆÃ

ÐĆÃ

EĆÃ

ĈĆĆÃ

0ms 10ms 20ms 30ms 40ms 50ms 60ms 70ms 80ms 90ms

RSD-300B-5

RSD-300B-48

RSD-300C-24

RSD-300D-12

RSD-300B-12

RSD-300C-5

RSD-300C-48

RSD-300D-24

RSD-300B-24

RSD-300C-12

RSD-300D-5

RSD-300D-48

EF

FIC

IEN

CY

E

FF

ICIE

NC

Y

EF

FIC

IEN

CY

EF

FIC

IEN

CY

E

FF

ICIE

NC

Y

EF

FIC

IEN

CY

E

FF

ICIE

NC

Y

EF

FIC

IEN

CY

E

FF

ICIE

NC

Y

EF

FIC

IEN

CY

E

FF

ICIE

NC

Y

LOAD

LOAD

LOAD

LOAD

LOAD

LOAD

LOAD

LOAD

LOAD

LOAD

Efficiency vs Load & Vin Curve

The efficiency vs load & Vin curves of each model are shown as below.

ĐĆÃ

ĐDÃ

ÐĆÃ

ÐDÃ

EĆÃ

EDÃ

ĈĆÃ ČĆÃ ĊĆÃ ÇĆÃ DĆÃ ĎĆÃ ĐĆÃ ÐĆÃ EĆÃ ĈĆĆÃ

ĊĈBČIJŇŃ

ČÇIJŇŃ

ĈĎBÐIJŇŃ

LOAD

ĐĆ Ã

ĐDÃ

ÐĆ Ã

ÐDÃ

E Ć Ã

E DÃ

Ĉ Ć Ã Č Ć Ã Ċ Ć Ã Ç Ć Ã DĆ Ã ĎĆ Ã ĐĆ Ã ÐĆ Ã E Ć Ã Ĉ Ć Ć Ã

Ċ Ĉ BČ IJŇŃ

Č Ç IJŇŃ

Ĉ ĎBÐIJŇŃ

LOAD

ĐĆ Ã

ĐDÃ

ÐĆ Ã

ÐDÃ

E Ć Ã

E DÃ

Ĉ Ć Ã Č Ć Ã Ċ Ć Ã Ç Ć Ã DĆ Ã ĎĆ Ã ĐĆ Ã ÐĆ Ã E Ć Ã Ĉ Ć Ć Ã

Ċ Ĉ BČ IJŇŃ

Č Ç IJŇŃ

Ĉ ĎBÐIJŇŃ

EF

FIC

IEN

CY

ĐĆ Ã

ĐDÃ

ÐĆ Ã

ÐDÃ

E Ć Ã

E DÃ

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EN50155: 2017 version - Comply with S1 level

300W Railway Single Output DC-DC Converter RSD-300 ser ies

File Name:RSD-300-SPEC 2022-02-28

RSD-300E-5

RSD-300E-48

RSD-300F-24

RSD-300E-12

RSD-300F-5

RSD-300F-48

RSD-300E-24

RSD-300F-12

EF

FIC

IEN

CY

E

FF

ICIE

NC

Y

EF

FIC

IEN

CY

E

FF

ICIE

NC

Y

EF

FIC

IEN

CY

EF

FIC

IEN

CY

E

FF

ICIE

NC

Y

LOAD

LOAD

LOAD

LOAD

LOAD

LOAD

LOAD LOAD

EF

FIC

IEN

CY

Parallel and Series Connection

A.Operation in Parallel

Since RSD-300 series don't have built-in parallel circuit, it can only use external circuits to achieve the redundant operation but not increase the current rating.

1.Add a diode at the positive-output of each power supply (as shown as below), the current rating of the diode should be larger than the maximum output current rating

and attached to a suitable heat sink. This is only for redundant use (increase the reliability of the system) and users have to check suitability of the circuit by themselves.

I/P

I/P

PS2

INE PS1I/P

I/P

-

D2+

RLD1

-

+

2.When using S.P.S. in parallel connection, the leakage current will increase at the same time. This could pose as a shock hazard for the user. So please contact the

B.Operation in Series

RSD-300 can be operated in series. Here are the methods of doing it:

1.Positive and negative terminals are connected as shown as below. According to the connection, you can get the positive and negative output voltages for your loads.

supplier if you have this kind of application.

-V-I/P

I/P

I/P

+

PS2

-

I/P

E IN PS1

+

RL

RL

COM

+V

2.Increase the output voltage (current does not change). Because RSD-300 series have no reverse blocking diode in the unit, you should add an external blocking diode

to prevent the damage of every unit while starting up. The voltage rating of the external diode should be larger than V1+V2 (as shown as below).

-I/P

+I/P

PS2 2V

I/P -

E IN PS1

I/P

1

+

V

-V

D 2

V1+V2 LR

1D

+V

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Č DBČ IJŇŃ

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E Ċ BĎIJŇŃ

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DĆ BÇ IJŇŃ

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E Ċ BĎIJŇŃ

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E Ċ BĎIJŇŃ

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E Ċ BĎIJŇŃ

ĐČ IJŇŃ

DĆ BÇ IJŇŃ

300W Railway Single Output DC-DC Converter RSD-300 ser ies

File Name:RSD-300-SPEC 2022-02-28

Over Voltage Protection

Over Temperature Protection

LED Indicator

The converter shuts off to protect itself when the output voltage drawn exceeds 115~140% of its output rating. It must be repowered on to recover.

The converter shuts off to protect itself when the built-in temperature sensor mounted on the main power transformer senses a high temperature. The output recovers

Equipped with a built-in LED indicator, the converter provides an easy way for users to check its condition through the LED indicator.

Green : normal operation; No signal: no power or failure.

automatically if the temperature drops below the limit.

Overload Protection

If the output draw up to 105~135% of its output power rating, the converter will go into overload protection which is constant current mode. After the faulty condition

is removed, it will recover automatically. Please refer to the diagram below for the detail operation characteristic. Please note that it's not suitable to operate within

the overload region continuously, or it may cause to over temperature and reduce the life of the power supply unit or even damage it.

0 50 100 150

50

100

Vo(%)

Io(%)

Derating Curve

AMBIENT TEMPERATURE (℃)

LO

AD

(%

)

100

100

20

40

60

80

-40 20 30 40 50 55 60 70 (HORIZONTAL)

Overload region

a. Single unit operation

de-rating output current when ambient temperature is between 55-70 , please refer to the de-rating curve as below. ℃

If the unit has no iron plate mounted on its bottom, the maximum ambient temperature for the unit will be 55 as operating under full load condition. It requires ℃

Tcase (℃)

RA

TE

D C

UR

RE

NT

(%

)

(HORIZONTAL)-30 0 10 20 30 40 50 60 70

20

40

60

80

100

80

AMBIENT TEMPERATURE (℃)

LO

AD

(%

)

100

100

20

40

60

80

-40 20 30 40 50 60 70 (HORIZONTAL)

b.Operate with additional iron plate

the bottom. The size of the suggested iron plate is shown as below. In order for optimal thermal performance, the iron plate must have an even & smooth surface

and RSD-300 series must be firmly mounted at the center of the iron plate.

If it is necessary to fulfil the requirements of EN50155 TX level that operate the unit fully-loaded at 70 , RSD-300 series must be installed onto an iron plate on ℃

Suitable installation methods are shown as below. Since RSD-300 is a semi-potted model, its thermal performances for the following installation methods are similar

and share the same derating curve.

The load vs ambient temperature curve is shown as below.

Unit:mm

M4*42

360

360

300W Railway Single Output DC-DC Converter RSD-300 ser ies

File Name:RSD-300-SPEC 2022-02-28

Suitable installation methods are shown as below. Since RSD-300 is a semi-potted model, its thermal performances for the following installation methods are similar

and share the same derating curve.

iron plate

300W Railway Single Output DC-DC Converter RSD-300 ser ies

File Name:RSD-300-SPEC 2022-02-28

EN45545-2 Fire Test Conditions

Items

Test Items

R22

R24

R25

R26

Oxygen index test

Smoke density test

Smoke toxicity test

Oxygen index test

Glow-wire test

Vertical flame test

Standard

EN 45545-2:2013EN ISO 4589-2:1996

EN 45545-2:2013EN ISO 5659-2:2006

EN 45545-2:2013NF X70-100:2006

EN 45545-2:2013EN ISO 4589-2:1996

EN 45545-2:2013EN 60695-2-11:2000

EN 45545-2:2013EN 60695-11:2003

Hazard Level

PASS

PASS

PASS

PASS

PASS

PASS

PASS

PASS

PASS

PASS

PASS

PASS

PASS

PASS

PASS

PASS

PASS

PASS

HL1 HL2 HL3

Immunity to Environmental Conditions

Test method

Cooling Test

Dry Heat Test

Damp Heat Test, Cyclic

Vibration Test

Increased Vibration Test

Shock Test

Low Temperature Storage Test

Standard

EN 50155 section 12.2.3 (Column 2, Class TX)EN 60068-2-1

Temperature: -40℃Dwell Time: 2 hrs/cycle

Temperature: 25℃~55℃Humidity: 90%~100% RHDuration: 48 hrs

Temperature: 19℃Humidity: 65%Duration: 10 mins

Temperature: 19℃Humidity: 65%Duration: 5 hrs

Temperature: 21± 3℃Humidity: 65 ± 5%Duration: 30ms*18

Temperature: -40℃Dwell Time: 16 hrs

Temperature: 70℃ / 85℃Duration: 6 hrs / 10min

EN 50155 section 12.2.5EN 60068-2-30

EN 50155 section 12.2.11EN 61373

EN 50155 section 12.2.11EN 61373

EN 50155 section 12.2.11EN 61373

EN 50155 section 12.2.3 (Column 2, Class TX)EN 60068-2-1

EN 50155 section 12.2.4 (Column 2, Class TX)EN 50155 section 12.2.4 (Column 3, Class TX & Column 4, Class TX)EN 60068-2-2

Test conditions Status

No damage

PASS

PASS

PASS

PASS

PASS

PASS

Salt Mist Test Temperature: 35℃±2℃Duration: 96 hrs

EN 50155 section 12.2.10 (Class ST4) PASS